166 ZOOLOGICAL PHILOSOPHY 



Teretirostrate Waders. [Round -beaked. H. E.] 

 Avocet. Dunlin. 



Curlew. Plover. 



Woodcock. 



Latirostrate Waders. [Broad-beaked. H. E.] 

 Boatbill. 

 Spoonbill. 

 Phoenicopterus (flamingo). 



Order 7. — Palmipeds. 



Digits united by large membranes ; tarsus of low height {Aquatic 

 birds, swimmers). 



Longipen Palmipeds. [Long-winged. H. E.] 

 Gull. Avocet. 



Albatross. Tern. 



Petrel, Scissor-bill. 



Brevipen Palmipeds. [Short- winged. H. E.] 

 Grebe. Penguin. 



Guillemot. King-penguin. 



Auk. 



MONOTREMES. (Geoff.) 



Animals intermediate between birds and mammals. These animals 

 are quadrwpeds without mammae, without any teeth inserted, ivithout lips, 

 and with only one orifice for the genital organs, the excrement and the 

 urine ; their body is covered with, hair or bristles. 



Ornithorhynchus. 

 Echidna. 



N.B. — I have already spoken of these animals in Chapter VI., page 

 74, where I showed that they are neither mammals, birds nor 

 reptiles. 



